xref: /netbsd/sys/arch/i386/stand/lib/menuutils.c (revision 6550d01e)
1 /*	$NetBSD: menuutils.c,v 1.3 2008/12/14 18:46:33 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 1996, 1997
5  * 	Matthias Drochner.  All rights reserved.
6  * Copyright (c) 1996, 1997
7  * 	Perry E. Metzger.  All rights reserved.
8  * Copyright (c) 1997
9  *	Jason R. Thorpe.  All rights reserved
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. All advertising materials mentioning features or use of this software
20  *    must display the following acknowledgements:
21  *	This product includes software developed for the NetBSD Project
22  *	by Matthias Drochner.
23  *	This product includes software developed for the NetBSD Project
24  *	by Perry E. Metzger.
25  * 4. The names of the authors may not be used to endorse or promote products
26  *    derived from this software without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
29  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
30  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
31  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
32  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
33  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
37  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38  */
39 
40 #include <lib/libkern/libkern.h>
41 #include <lib/libsa/stand.h>
42 
43 #include "libi386.h"
44 
45 void
46 docommand(char *arg)
47 {
48 	char *options;
49 	int i;
50 
51 	options = gettrailer(arg);
52 
53 	for (i = 0; commands[i].c_name != NULL; i++) {
54 		if (strcmp(arg, commands[i].c_name) == 0) {
55 			(*commands[i].c_fn)(options);
56 			return;
57 		}
58 	}
59 
60 	printf("unknown command\n");
61 	command_help(NULL);
62 }
63 
64 void
65 bootmenu(void)
66 {
67 	char input[80];
68 
69 	for (;;) {
70 		char *c = input;
71 
72 		input[0] = '\0';
73 		printf("> ");
74 		gets(input);
75 
76 		/*
77 		 * Skip leading whitespace.
78 		 */
79 		while (*c == ' ')
80 			c++;
81 		if (*c)
82 			docommand(c);
83 	}
84 }
85